Detecting the Status of a Predictive Incremental Speech Understanding Model for Real-Time Decision-Making in a Spoken Dialogue System

TitleDetecting the Status of a Predictive Incremental Speech Understanding Model for Real-Time Decision-Making in a Spoken Dialogue System
Publication TypeConference Paper
Year of Publication2011
AuthorsDeVault, D., K. Sagae, and D. R. Traum
Conference NameInterSpeech 2011
Date Published8/30/2011
Conference LocationFlorence, Italy
Abstract

We explore the potential for a responsive spoken dialogue system to use the real-time status of an incremental speech understanding model to guide its incremental decision-making about how to respond to a user utterance that is still in progress. Spoken dialogue systems have a range of potentially useful real-time response options as a user is speaking, such as providing acknowledgments or backchannels, interrupting the user to ask a clarification question or to initiate the system's response, or even completing the user's utterance at appropriate moments. However, implementing such incremental response capabilities seems to require that a system be able to assess its own level of understanding incrementally, so that an appropriate response can be selected at each moment. In this paper, we use a data-driven classification approach to explore the trade-offs that a virtual human dialogue system faces in reliably identifying how its understanding is progressing during a user utterance.

URLhttp://www.pdfdownload.org/pdf2html/pdf2html.php?url=http%3A%2F%2Fpeople.ict.usc.edu%2F~devault%2Fpublications%2Fdevault-et-al-interspeech-2011.pdf&images=yes